Enter a clue or pattern or both:
The Clue
They go up and down (9 letter answer)
The Answer
AERONAUTS
Tags
Notes
The answer AERONAUTS is so rare that it appears less than once every 2500 puzzles.
Definition
AERONAUT as a noun:
1. (aviator, aeronaut, airman, flier, flyer) = someone who operates an aircraft